CN101391829A - Technique for preparing effervescence type coagulant used in treatment of landscape water pollution - Google Patents
Technique for preparing effervescence type coagulant used in treatment of landscape water pollution Download PDFInfo
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- CN101391829A CN101391829A CNA2008100411978A CN200810041197A CN101391829A CN 101391829 A CN101391829 A CN 101391829A CN A2008100411978 A CNA2008100411978 A CN A2008100411978A CN 200810041197 A CN200810041197 A CN 200810041197A CN 101391829 A CN101391829 A CN 101391829A
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Abstract
The invention discloses a manufacture process for an effervescence type coagulant used for handling scenic water pollution and relates to the technical field of environment protection and polluted water purification. The process is as follows; 5-30 percent of kaolin, 30-60 percent of zeolite and 10-65 percent of adjuvant are mixed, broken up and ground into powder; the powder is parched, mixed evenly and formed by pressing. The adjuvant consists of 5-10 percent of citric acid, 9-15 percent of NaHCO3, 3-5 percent of Na2CO3, 1-2 percent of PVP and 1-2 percent of CMS-Na, which are mixed evenly together. After the implementation of the invention, as the effervescence type coagulant is a platy preparation by uniformly mixing and pressing natural mineral materials(clay coagulant) with coagulation and auxiliaries (distingrants), the coagulant can automatically distingrate when being directly scattered in water and release the clay coagulant to achieve the coagulation purpose. When the coagulant is fed, no mechanical equipment needs for stirring, and no feeding equipment is required. The coagulant is suitable for various surface water bodies, generates no secondary pollution, and has good environment safety, simple manufacture, low cost, convenient use and good effect.
Description
Technical field
The present invention relates to environment protection, polluted water purification technical field, is to be applied to eutrophication river course, water body in lake restoration of the ecosystem, water correction technology neck, specifically a kind of effervescence type coagulant that is used to administer landscape water pollution.
Background technology
Along with the expansion of fast development of national economy and city scope over past ten years, surface water bodies such as the many rivers of China, lake have all suffered pollution in various degree, and the trend that continues aggravation is arranged.As an important Pollution abatement and water correction technology, coagulation successfully is applied in the restoration of the ecosystem in many lakes, river, the ecological training works.
Chinese Academy of Sciences's Wang Shuguang etc.
[i]Adopting poly-ferric chloride (PFC) is coagulating agent, Long Ganghe, Guan Lanhe, Yan Chuanhe, the Da Mao river water body of Shenzhen has been carried out the experimental study of enhanced coagulation processing.Test-results shows, when the PFC dosage is 50mg/L, and Guan Lanhe (former water COD
Cr=48.0mg/L) COD
CrClearance reaches more than 70%, and turbidity removal rate reaches 91%, and the clearance of TP reaches 95%, and the clearance of TN reaches 41%; Da Mao river (former water COD
Cr=84.0mg/L) COD
CrClearance reaches more than 50%, and turbidity removal rate reaches 78%, and the clearance of TP reaches 96.5%, and the clearance of TN reaches 41.6%.Heavy metal also there is certain removal effect.Handle that back water quality reaches or near the surface water water quality standard.
Sun Congjun
[ii]Deng, be coagulating agent with diatomite, Suzhou River tributary polluted water body is carried out enhanced coagulation test, the result shows, under the condition of optimal coagulant dose 200mg/L, COD
CrClearance is 43%～59%, and tp removal rate is 92%～100%, and NH
3-N does not almost remove.
Cheng, Wen Po
[iii]Deng using Al
2(SO4)
3, PAC, FeCl
3Handle reservoir water with coagulating agent such as PFS, the result shows that PFS compares FeCl
3There are better dissolved organic matter DOC clearance and iron still less residual; Al
2(SO
4)
3Removal effect to turbidity, colourity and bacterium is best, but the removal effect of DOC is not ideal enough; As PFS and Al
2(SO4)
3Uniting use is treatment effect the best, and DOC, turbidity, colourity can both well be removed.
More than the various coagulating agent (flocculation agent) of research employing have all been obtained certain effect to the view water treatment.For reaching good hydraulics, when carrying out the adding of coagulating agent (or flocculation agent), all will be by means of the stirring of mechanical means, power consumption is higher on the one hand, need develop specific adding equipment at different landscape water bodies on the other hand, the existence of the problems referred to above has limited the application of coagulation in surface water is handled greatly.
Summary of the invention
The invention provides a kind of stirring that when adding, does not need mechanical means and specific adding equipment, directly drop into and to play a role in the water body, be used to administer the preparation technology of the effervescence type coagulant of landscape water pollution.
The technical scheme that the present invention takes:
A kind of preparation technology who is used to administer the effervescence type coagulant of landscape water pollution, its scheme is: finish preparation manipulation according to the following steps:
1. be by mass percentage: kaolin 5～30%, zeolite 30～60% and assistant agent 10～65% are mixed;
2. pulverize and grind into powder;
3. oven dry;
4. mixing;
5. compression moulding.
Described assistant agent, the composition mass percent is: citric acid 5～10%, NaHCO
39～15%, Na
2CO
33～5%, PVP1～2%, CMS-Na1～2% uniform mixing.
Positively effect behind enforcement the present invention is:
Since effervescence type coagulant be the natural minerals (clay class coagulating agent) that will have coagulation with auxiliary material (disintegrating agent) uniform mixing after be pressed into Formulation, directly be sprinkling upon in the water, i.e. disintegration automatically, clay class coagulating agent is discharged, reach the purpose of coagulation, do not need the stirring and the adding equipment of mechanical means when adding, be applicable to all kinds of surface water bodies, simultaneously can not produce secondary pollution, good environmental safety is arranged.It is low to make simple cost simultaneously, easy to use, effective.
Description of drawings
Fig. 1, technological process of production figure.
Embodiment
Now the invention will be further described in conjunction with the accompanying drawings.
A kind of preparation technology who is used to administer the effervescence type coagulant of landscape water pollution is to finish preparation manipulation according to the following steps:
1. be by mass percentage: kaolin 5～30%, zeolite 30～60% and assistant agent 10～65% are mixed;
2. pulverize and grind into powder;
3. oven dry;
4. mixing;
5. compression moulding.
Described assistant agent, the composition mass percent is: citric acid 5～10%, NaHCO
39～15%, Na
2CO
33～5%, PVP1～2%, CMS
Na1～2% uniform mixing.
Mechanism of the present invention is done an explanation:
Kaolin is one group of aluminosilicate that contains rhythmo structure, and its surface hydroxyl has amphoteric properties in the aqueous solution, and electrostatic interaction, anionresin effect, hydrogen bond action etc. are passed through in pollutent and natural mineral surfaces different in the water body, are removed from water body.
(take by weighing 200g Jinyun clinoptilolite is placed in the NaCl solution of 200ml 0.8mol/l zeolite, constant temperature 70-75 degree heating in water bath 3h then, washes clean, dry, sealing is preserved), zeolite is because its unique internal structure, and has performances such as superior absorption and cationic exchange, and modified zeolite has been strengthened NH
4 +Ionic absorption, switching performance.
Assistant agent mainly comprises disintegrating agent (citric acid, NaHCO
3, Na
2CO
3), polyvinylpyrrolidone (PVP), carboxymethylstach sodium (CMS-Na), disintegration mechanism mainly is that the solubility composition dissolves rapidly, forms a lot of solution caves, causes tablet to be difficult to continue to keep its sheet form and loses and separate that to burst broken be disintegration; Contain in the tablet simultaneously and meet the material that water can produce gas, absorb moisture and volumetric expansion takes place, the bonding force of tablet is disintegrated, thereby disintegration phenomenon is taken place.
Embodiment 1
Kaolin is produced by Jinyan Kaolinite Development Co Ltd, Huaibei; Described modified zeolite is that Jinyun clinoptilolite modification comes, and described assistant agent mainly comprises disintegrating agent (citric acid, NaHCO
3, Na
2CO
3), PVP, CMS-Na, above-mentioned raw materials is through grinding, oven dry, mixing, being pressed into the effervescence type coagulant tablet.
With the bad V class landscape water body in the park, Shanghai is example, directly adds effervescence type coagulant, and its dosage is 100～150mg/L, and the quality of this each component of coagulating agent is: kaolin 15%, zeolite (through modification) 50%, assistant agent 35%.Dispensing back principal pollutant COD
CrClearance 30～50%, phosphoric acid salt clearance 80～95%, ammonia nitrogen removal frank 40～50% can reach surface water environment quality V class standard at 48h.The turbidity of water body drops to about 15NTU, and transparency to 40cm, reaches 65cm at 96h from the 17cm of former water, and still on the rise, illustrates to add this effervescence type coagulant to the water quality effect of having clear improvement.
Claims (2)
1, a kind of preparation technology who is used to administer the effervescence type coagulant of landscape water pollution is characterized in that: finish preparation manipulation according to the following steps:
1. be by mass percentage: kaolin 5～30%, zeolite 30～60% and assistant agent 10～65% are mixed;
2. pulverize and grind into powder;
3. oven dry;
4. mixing;
5. compression moulding.
2, a kind of preparation technology who is used to administer the effervescence type coagulant of landscape water pollution according to claim 1 is characterized in that; Described assistant agent, its composition mass percent is: citric acid 5～10%, NaHCO
39～15%, Na
2CO
33～5%, PVP 1～2%, CMS-Na 1～2% uniform mixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100411978A CN101391829A (en) | 2008-07-31 | 2008-07-31 | Technique for preparing effervescence type coagulant used in treatment of landscape water pollution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100411978A CN101391829A (en) | 2008-07-31 | 2008-07-31 | Technique for preparing effervescence type coagulant used in treatment of landscape water pollution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101391829A true CN101391829A (en) | 2009-03-25 |
Family
ID=40492370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100411978A Pending CN101391829A (en) | 2008-07-31 | 2008-07-31 | Technique for preparing effervescence type coagulant used in treatment of landscape water pollution |
Country Status (1)
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|---|---|
| CN (1) | CN101391829A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102897879A (en) * | 2012-09-26 | 2013-01-30 | 暨南大学 | Inorganic-organic composite flocculant, preparation method and application thereof |
| CN103771571A (en) * | 2014-01-20 | 2014-05-07 | 南通华新环保设备工程有限公司 | Sewage treatment flocculating agent and application thereof |
| CN103922449A (en) * | 2014-04-04 | 2014-07-16 | 张爱均 | Efficient environment-friendly flocculant for treatment of black-odor river |
| CN104828921A (en) * | 2015-05-23 | 2015-08-12 | 张家港市鸿嘉数字科技有限公司 | Muddy water purifying agent |
| CN105000647A (en) * | 2015-07-29 | 2015-10-28 | 西安建筑科技大学 | Solid slow release coagulant material for initial rainwater treatment and preparation method thereof |
| CN105036287A (en) * | 2015-05-07 | 2015-11-11 | 青岛科技大学 | Ferrate (VI) effervescent tablets for water treatment and preparation method thereof |
| CN108147634A (en) * | 2018-02-13 | 2018-06-12 | 武汉轻工大学 | Bottom material of pond for breeding improvement effervescent agent and its preparation method and application |
| CN113164911A (en) * | 2018-12-06 | 2021-07-23 | 韩国基础科学支援研究院 | Radioactive cesium detergent and method for decontaminating water-depth-customized radioactive cesium using same |
| CN115159650A (en) * | 2022-07-12 | 2022-10-11 | 山东三加环保新材料有限公司 | Efficient sewage treatment agent and preparation process thereof |
-
2008
- 2008-07-31 CN CNA2008100411978A patent/CN101391829A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102897879A (en) * | 2012-09-26 | 2013-01-30 | 暨南大学 | Inorganic-organic composite flocculant, preparation method and application thereof |
| CN102897879B (en) * | 2012-09-26 | 2013-11-06 | 暨南大学 | Inorganic-organic composite flocculant, preparation method and application thereof |
| CN103771571A (en) * | 2014-01-20 | 2014-05-07 | 南通华新环保设备工程有限公司 | Sewage treatment flocculating agent and application thereof |
| CN103922449A (en) * | 2014-04-04 | 2014-07-16 | 张爱均 | Efficient environment-friendly flocculant for treatment of black-odor river |
| CN103922449B (en) * | 2014-04-04 | 2015-08-26 | 张爱均 | A kind of high-efficiency environment friendly flocculation agent administered for black smelly river |
| CN105036287A (en) * | 2015-05-07 | 2015-11-11 | 青岛科技大学 | Ferrate (VI) effervescent tablets for water treatment and preparation method thereof |
| CN104828921A (en) * | 2015-05-23 | 2015-08-12 | 张家港市鸿嘉数字科技有限公司 | Muddy water purifying agent |
| CN105000647A (en) * | 2015-07-29 | 2015-10-28 | 西安建筑科技大学 | Solid slow release coagulant material for initial rainwater treatment and preparation method thereof |
| CN108147634A (en) * | 2018-02-13 | 2018-06-12 | 武汉轻工大学 | Bottom material of pond for breeding improvement effervescent agent and its preparation method and application |
| CN113164911A (en) * | 2018-12-06 | 2021-07-23 | 韩国基础科学支援研究院 | Radioactive cesium detergent and method for decontaminating water-depth-customized radioactive cesium using same |
| CN113164911B (en) * | 2018-12-06 | 2023-08-25 | 韩国基础科学支援研究院 | Radioactive cesium detergent and method for decontaminating radioactive cesium by utilizing same |
| CN115159650A (en) * | 2022-07-12 | 2022-10-11 | 山东三加环保新材料有限公司 | Efficient sewage treatment agent and preparation process thereof |
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Open date: 20090325 |